AngleSharp by Florian Rappl

<PackageReference Include="AngleSharp" Version="0.8.4.1" />

.NET API 1,229,312 bytes

 CssColumnSpanProperty

More information available at: https://developer.mozilla.org/en-US/docs/Web/CSS/column-span Gets if the element should span across all columns.
using AngleSharp.Css; using AngleSharp.Extensions; namespace AngleSharp.Dom.Css { internal sealed class CssColumnSpanProperty : CssProperty { internal CssColumnSpanProperty(CssStyleDeclaration rule) : base(PropertyNames.ColumnSpan, rule, PropertyFlags.None) { } protected override object GetDefault(IElement element) { return false; } protected override object Compute(IElement element) { return Converters.ColumnSpanConverter.Convert(base.Value); } protected override bool IsValid(CssValue value) { return Converters.ColumnSpanConverter.Validate(value); } } }